9e9683c0422af17fc4f5c37e6f05e7d3dde07354129499ce5e738ac4e00c2a34

General

Target

NA_NA_5850f2d03dbd05exeexe_JC.exe
Size

3.5MB
MD5

5850f2d03dbd054de30166922d1b5a51
SHA1

5d68f3c7ae2d14faa005146baa2f5d3e009d1143
SHA256

9e9683c0422af17fc4f5c37e6f05e7d3dde07354129499ce5e738ac4e00c2a34
SHA512

4686f1b36b3e09c887f503b3a6af52f785075f5c4c162cd6dcb39dbb85be8e329878d50c2e210fb2b6e5ff87821cc67f7d743289e48944be19499230fed21155
SSDEEP

49152:dHK3ocHZd9i+Rj8HhL+BuHcoTdaYWVegnnqrSeyt4GcokGzrTrURQb0bHj5N0:MT9lRIBWuBhBgqrSeuXkurUjbjb0

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\ds.dll	acprotect
C:\Users\Admin\AppData\Local\Temp\ds.dll	acprotect
C:\Users\Admin\AppData\Local\Temp\ds.dll	acprotect

Executes dropped EXE 1 IoCs

Processes:

TysxClient_setup_2.0.107.exe

pid process

2316 TysxClient_setup_2.0.107.exe
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeTysxClient_setup_2.0.107.exe

pid process

328 regsvr32.exe
2316 TysxClient_setup_2.0.107.exe

pid	process
2316	TysxClient_setup_2.0.107.exe

pid	process
328	regsvr32.exe
2316	TysxClient_setup_2.0.107.exe

UPX packed file 12 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Program Files\TysxClient_setup_2.0.107.exe	upx
C:\Program Files\TysxClient_setup_2.0.107.exe	upx
behavioral2/memory/2316-137-0x0000000000400000-0x000000000069E000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral2/memory/328-142-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral2/memory/2316-144-0x0000000010000000-0x0000000010176000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral2/memory/2316-146-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral2/memory/2316-148-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral2/memory/2316-163-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral2/memory/2316-175-0x0000000000400000-0x000000000069E000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

NA_NA_5850f2d03dbd05exeexe_JC.exe

description ioc process

File created C:\Program Files\TysxClient_setup_2.0.107.exe NA_NA_5850f2d03dbd05exeexe_JC.exe

description	ioc	process
File created	C:\Program Files\TysxClient_setup_2.0.107.exe	NA_NA_5850f2d03dbd05exeexe_JC.exe

Drops file in Windows directory 4 IoCs

Processes:

NA_NA_5850f2d03dbd05exeexe_JC.exe

description	ioc	process
File created	C:\WINDOWS\Media\ActiveX.ocx	NA_NA_5850f2d03dbd05exeexe_JC.exe
File created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_5850f2d03dbd05exeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_5850f2d03dbd05exeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.ldb	NA_NA_5850f2d03dbd05exeexe_JC.exe

Modifies registry class 37 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ = "dm.dmsoft"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\ = "dm.dmsoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID\ = "dm.dmsoft"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\ = "Dm"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer\ = "dm.dmsoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ds.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ds.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID\ = "{26037A0E-7CBD-4FFF-9C63-56F2D0770214}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft	regsvr32.exe

NTFS ADS 3 IoCs

Processes:

NA_NA_5850f2d03dbd05exeexe_JC.exe

description	ioc	process
File created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_5850f2d03dbd05exeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_5850f2d03dbd05exeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.ldb	NA_NA_5850f2d03dbd05exeexe_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

NA_NA_5850f2d03dbd05exeexe_JC.exe

pid process

1652 NA_NA_5850f2d03dbd05exeexe_JC.exe
1652 NA_NA_5850f2d03dbd05exeexe_JC.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

NA_NA_5850f2d03dbd05exeexe_JC.exe

pid process

1652 NA_NA_5850f2d03dbd05exeexe_JC.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

NA_NA_5850f2d03dbd05exeexe_JC.exeTysxClient_setup_2.0.107.exe

pid process

1652 NA_NA_5850f2d03dbd05exeexe_JC.exe
2316 TysxClient_setup_2.0.107.exe
2316 TysxClient_setup_2.0.107.exe

pid	process
1652	NA_NA_5850f2d03dbd05exeexe_JC.exe
1652	NA_NA_5850f2d03dbd05exeexe_JC.exe

pid	process
1652	NA_NA_5850f2d03dbd05exeexe_JC.exe

pid	process
1652	NA_NA_5850f2d03dbd05exeexe_JC.exe
2316	TysxClient_setup_2.0.107.exe
2316	TysxClient_setup_2.0.107.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

NA_NA_5850f2d03dbd05exeexe_JC.exeTysxClient_setup_2.0.107.execmd.exe

description	pid	process	target process
PID 1652 wrote to memory of 2316	1652	NA_NA_5850f2d03dbd05exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 1652 wrote to memory of 2316	1652	NA_NA_5850f2d03dbd05exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 1652 wrote to memory of 2316	1652	NA_NA_5850f2d03dbd05exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2316 wrote to memory of 1960	2316	TysxClient_setup_2.0.107.exe	cmd.exe
PID 2316 wrote to memory of 1960	2316	TysxClient_setup_2.0.107.exe	cmd.exe
PID 2316 wrote to memory of 1960	2316	TysxClient_setup_2.0.107.exe	cmd.exe
PID 1960 wrote to memory of 328	1960	cmd.exe	regsvr32.exe
PID 1960 wrote to memory of 328	1960	cmd.exe	regsvr32.exe
PID 1960 wrote to memory of 328	1960	cmd.exe	regsvr32.exe
PID 1652 wrote to memory of 2744	1652	NA_NA_5850f2d03dbd05exeexe_JC.exe	regsvr32.exe
PID 1652 wrote to memory of 2744	1652	NA_NA_5850f2d03dbd05exeexe_JC.exe	regsvr32.exe
PID 1652 wrote to memory of 2744	1652	NA_NA_5850f2d03dbd05exeexe_JC.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\NA_NA_5850f2d03dbd05exeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_5850f2d03dbd05exeexe_JC.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Program Files\TysxClient_setup_2.0.107.exe
  "C:\Program Files\TysxClient_setup_2.0.107.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c regsvr32 /s ds.dll
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1960
  - - C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s ds.dll
      4⤵
      Loads dropped DLL
      Modifies registry class
      PID:328
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 C:\WINDOWS\Media\ActiveX.ocx /s
  2⤵
  PID:2744

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Program Files\TysxClient_setup_2.0.107.exe

Filesize
1.3MB

MD5
33d529127707cf47856c60c44d6ca585

SHA1
ac9df8cc473ed595e53832ee3025e4a455283511

SHA256
fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de

SHA512
6a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e

Download Submit
C:\Program Files\TysxClient_setup_2.0.107.exe

Filesize
1.3MB

MD5
33d529127707cf47856c60c44d6ca585

SHA1
ac9df8cc473ed595e53832ee3025e4a455283511

SHA256
fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de

SHA512
6a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\ds.dll

Filesize
804KB

MD5
c578b6820bda5689940560147c6e5ffc

SHA1
922e50d89c9c44bdc205ef17aa57212b64e58852

SHA256
3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

SHA512
9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

Download Submit
C:\Users\Admin\AppData\Local\Temp\ds.dll

Filesize
804KB

MD5
c578b6820bda5689940560147c6e5ffc

SHA1
922e50d89c9c44bdc205ef17aa57212b64e58852

SHA256
3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

SHA512
9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

Download Submit
C:\Users\Admin\AppData\Local\Temp\ds.dll

Filesize
804KB

MD5
c578b6820bda5689940560147c6e5ffc

SHA1
922e50d89c9c44bdc205ef17aa57212b64e58852

SHA256
3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

SHA512
9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

Download Submit
C:\WINDOWS\Media\ActiveX.ocx

Filesize
12B

MD5
b85e5162917c24f82817d93f3b1d050b

SHA1
520f2d638a86ef262f23c36dfafbe08848d54a26

SHA256
787eaa6b109e16d35788489a0c4e13376777f192e7a200f3f690665ee21d5980

SHA512
d275bc30630029068dad5ed5bf147420a2326cc043c646b1b7524066d4e5fdbefaaec8850f05a355c62af595b2572666f8e5e71d5cbe5a16f343f0a9d32b03ab

Download Submit
memory/328-142-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/2316-144-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/2316-145-0x00000000040E0000-0x00000000040E1000-memory.dmp

Filesize
4KB

Download
memory/2316-146-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2316-148-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/2316-137-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2316-163-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2316-175-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads